Why Edward Snowden Asked Visitors in Hong Kong to Refrigerate Their Phones

Heather Murphy, writing the NYT Lede blog:

Another household object that functions similarly, Mr. Harvey has learned through his research into cellphone data transmission, is a stainless steel martini shaker.

“It’s a perfect Faraday cage — it will block all radio signals unless you decide you need to pour yourself a martini,” he said.

Unless?

(Via Matthew Panzarino.)

★ Wednesday, 26 June 2013